summaryrefslogtreecommitdiff
path: root/src/ProjectionTangential.H
blob: 07ddaf93045c52136cb57e79306327b120e5ab0f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
//
// Copyright 2006 Johannes Hofmann <Johannes.Hofmann@gmx.de>
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.

#ifndef PROJECTIONTANGENTIAL_H
#define PROJECTIONTANGENTIAL_H

#include "Hill.H"
#include "Projection.H"

class ProjectionTangential : public Projection {
 private:
  double comp_center_angle(double alph_a, double alph_b, double d1, double d2);

  double comp_scale(double alph_a, double alph_b, double d1, double d2);

  double angle_dist(double a1, double a2);

  int optimize(const Hill *m1, const Hill *m2, ViewParams *parms);

 public:
  void get_coordinates(double a_view, double a_nick, const ViewParams *parms,
		double *x, double *y);
  
  int comp_params(const Hill *m1, const Hill *m2, ViewParams *parms);
};
#endif